semplr.

Exams · Certifications · Licensing

EPA Section 608 — Core

Clean Air Act and regulations: practice questions

Our EPA 608 Core bank has 28 questions on this topic. Here are 5 of them with answers; the full mock exam draws from every topic, like the real one.

Start the free mock exam

Question 1

For comfort cooling appliances with 50 lb or more of ODS refrigerant, above what annual leak rate must leaks be repaired?

  1. 10%
  2. 20%
  3. 30%
  4. 35%
Show the answer

A. 10% — Commercial refrigeration has a 20% threshold and industrial process refrigeration 30%.

Question 2

Which standard sets the purity reclaimed refrigerant must meet?

  1. ASHRAE Standard 15
  2. UL 1963
  3. DOT 39
  4. AHRI Standard 700
Show the answer

D. AHRI Standard 700 — AHRI 700 specifies new-product purity for refrigerants.

Question 3

Recovery and recycling equipment manufactured after November 15, 1993 must be:

  1. Painted grey and yellow
  2. Approved by the local fire department and the building owner
  3. Made in the United States
  4. Certified by an EPA-approved testing organization
Show the answer

D. Certified by an EPA-approved testing organization — The equipment must meet the evacuation levels in the rule.

Question 4

An appliance leaks 125% or more of its full charge in a calendar year. What must the owner do?

  1. Vent the remaining charge
  2. Submit a report to EPA
  3. Replace the technician
  4. Nothing, as long as it is recharged
Show the answer

B. Submit a report to EPA — Chronically leaking appliances must be reported to EPA.

Question 5

Within how many days must leaks be repaired once a covered appliance exceeds its leak rate threshold?

  1. 7 days
  2. 30 days
  3. 60 days
  4. 1 year
Show the answer

B. 30 days — Some exceptions allow extra time, e.g. for industrial process shutdowns.

More EPA 608 Core topics